Re: Regular bge watchdog timeouts on 7.0-PRERELEASE

On Thu, Jan 10, 2008 at 12:00:37PM +0000, Tom Evans wrote:
> I am encountering regular watchdog timeouts on bge:
> 
> Jan  9 08:36:11 zoot kernel: bge0: watchdog timeout -- resetting
> Jan  9 08:36:11 zoot kernel: bge0: link state changed to DOWN
> Jan  9 08:36:13 zoot kernel: bge0: link state changed to UP

Add the following to /etc/sysctl.conf

net.inet.tcp.sendspace=131072
net.inet.tcp.recvspace=131072
net.inet.tcp.path_mtu_discovery=0
net.inet.udp.recvspace=65536
net.inet.raw.recvspace=16384
kern.ipc.nmbclusters=50000
kern.ipc.shm_use_phys=1
net.inet.tcp.rexmit_min=30

And then try this patch


cvs diff: Diffing dev/bge
Index: dev/bge/if_bge.c
===================================================================
RCS file: /home/ncvs/src/sys/dev/bge/if_bge.c,v
retrieving revision 1.199
diff -u -p -r1.199 if_bge.c
--- dev/bge/if_bge.c	16 Nov 2007 16:39:27 -0000	1.199
+++ dev/bge/if_bge.c	10 Jan 2008 17:51:38 -0000
_at__at_ -2454,9 +2454,9 _at__at_ bge_attach(device_t dev)
 	/* Set default tuneable values. */
 	sc->bge_stat_ticks = BGE_TICKS_PER_SEC;
 	sc->bge_rx_coal_ticks = 150;
-	sc->bge_tx_coal_ticks = 150;
-	sc->bge_rx_max_coal_bds = 10;
-	sc->bge_tx_max_coal_bds = 10;
+	sc->bge_tx_coal_ticks = 1500000;
+	sc->bge_rx_max_coal_bds = 32;
+	sc->bge_tx_max_coal_bds = 300;
 
 	/* Set up ifnet structure */
 	ifp = sc->bge_ifp = if_alloc(IFT_ETHER);
Index: dev/bge/if_bgereg.h
===================================================================
RCS file: /home/ncvs/src/sys/dev/bge/if_bgereg.h,v
retrieving revision 1.73
diff -u -p -r1.73 if_bgereg.h
--- dev/bge/if_bgereg.h	22 May 2007 19:22:58 -0000	1.73
+++ dev/bge/if_bgereg.h	10 Jan 2008 17:51:38 -0000
_at__at_ -2342,7 +2342,7 _at__at_ struct bge_gib {
  * allocated for the standard, mini and jumbo receive rings.
  */
 
-#define	BGE_SSLOTS	256
+#define	BGE_SSLOTS	512
 #define	BGE_MSLOTS	256
 #define	BGE_JSLOTS	384
 


-- 
Steve